Results 41 to 50 of about 129,335 (167)

Performance Modelling and Optimisation of Multi-hop Networks [PDF]

, 2012
A major challenge in the design of large-scale networks is to predict and optimise the total time and energy consumption required to deliver a packet from a source node to a destination node.
Abdelrahman, Omer Hassan Omer, Abdelrahman, Omer Hassan Omer   +1 more
core   +1 more source

Genetic diversity and prevalence of extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiella pneumoniae in aquatic environments receiving untreated hospital effluents

Journal of Water and Health, 2023
The spread of extended-spectrum beta-lactamase (ESBL)-producing bacteria in the environment has been recognized as a challenge to public health. The aim of the present study was to assess the occurrence of ESBL-producing Escherichia coli and Klebsiella ...
Sneha Kalasseril Girijan, Devika Pillai
doaj   +1 more source

Analysis of detector performance in a gigahertz clock rate quantum key distribution system [PDF]

, 2011
We present a detailed analysis of a gigahertz clock rate environmentally robust phase-encoded quantum key distribution (QKD) system utilizing several different single-photon detectors, including the first implementation of an experimental resonant cavity
, , , Angelo Gulinatti, Aongus McCarthy, Buller G S, Chandra M Natarajan, Dautet H, Gerald S Buller, Gottesman D, Grönberg P, Ivan Rech, John A O'Connor, Lo H-K Qian L Qi B, López-Higuera J M, María-José García-Martínez, Masahide Sasaki, Massimo Ghioni, Michael G Tanner, Mikio Fujiwara, Nils J Krichel, Patrick J Clarke, Paul D Townsend, Pellegrini S, Philip A Hiskett, Robert H Hadfield, Robert J Collins, Shannon C E, Shigehito Miki, Zhen Wang   +29 more
core   +1 more source

Detection of carbapenemase-producing bacteria in a public healthcare center from Venezuela

Journal of Infection in Developing Countries, 2020
Introduction: The dramatic increase in the prevalence and clinical impact of infections caused by Carbapenemase-Producing Bacteria in the nosocomial setting in Latin America represents an emerging challenge to public health.
Liliana Gomez-Gamboa, Armindo Perozo-Mena, Jose Bermudez-Gonzalez, Christty Villavicencio, Jessica Villasmil, Messaria M Ginestre, Jesvy Velasquez   +6 more
doaj   +1 more source

Prevalence of ESBL and AmpC genes in E. coli isolates from urinary tract infections in the north of Iran

New Microbes and New Infections, 2022
Beta-lactam resistance in Gram-negative bacteria, especially Escherichia coli, is a main clinical problem. It is often caused by the production of β-lactamases, particularly extended-spectrum β-lactamases (ESBLs) or AmpC enzymes.
M. Sadeghi, H. Sedigh Ebrahim-Saraie, A. Mojtahedi   +2 more
doaj   +1 more source

Gene regulatory network subcircuit controlling a dynamic spatial pattern of signaling in the sea urchin embryo [PDF]

, 2008
We dissect the transcriptional regulatory relationships coordinating the dynamic expression patterns of two signaling genes, wnt8 and delta, which are central to specification of the sea urchin embryo endomesoderm.
Alifragis, Davidson, Dawson, E. H. Davidson, Fisher, Giagtzoglou, Gyory, Howard-Ashby, Howard-Ashby, J. Smith, Kuo, Lee, Livi, Materna, McClay, Minokawa, Oellers, Oliveri, Osipovich, Peterson, Ransick, Revilla-i-Domingo, Rizzo, Robertson, Sea Urchin Genome Sequencing Consortium, Sherwood, Smith, Smith, Thirunavukkarasu, Tietze, Tu, Walton, Wikramanayake, Yu, Yuh   +34 more
core   +3 more sources

Detection and characterisation of extended-spectrum and plasmid-mediated AmpC β-lactamase produced by Escherichia coli isolates found at poultry farms in Bosnia and Herzegovina

Arhiv za Higijenu Rada i Toksikologiju, 2021
Extended-spectrum β-lactamases (ESBLs) hydrolyse extended-spectrum cephalosporins (ESC) and aztreonam. As ESBL-producing organisms have been identified in food producing animals, the aim of our study was to detect and analyse such Escherichia coli ...
Fetahagić Majda, Ibrahimagić Amir, Uzunović Selma, Beader Nataša, Elveđi-Gašparović Vesna, Luxner Josefa, Gladan Muhamed, Bedenić Branka   +7 more
doaj   +1 more source

Characterization of beta-lactamase producing Enterobacterales isolated from an urban community wastewater treatment plant in Iran

Iranian Journal of Microbiology, 2023
Background and Objectives: he occurrence and characteristics of Extended Spectrum- and AmpC-β-lactamase producing Enterobacterales (ESBL-PE and AmpC-PE) in an urban wastewater treatment plant (WWTP) were investigated.
Kamal Hasani, Hadi Sadeghi, Mehdi Vosoughi, Mehran Sardari, Meysam Manouchehrifar, Mohsen Arzanlou   +5 more
doaj   +1 more source

Effects of nongaussian diffusion on "isotropic diffusion measurements'': an ex-vivo microimaging and simulation study

, 2019
Designing novel diffusion-weighted pulse sequences to probe tissue microstructure beyond the conventional Stejskal-Tanner family is currently of broad interest.
Ianuş, Andrada, Jespersen, Sune Nørhøj, Olesen, Jonas Lynge, Shemesh, Noam   +3 more
core   +1 more source

Maxwell-compensated design of asymmetric gradient waveforms for tensor-valued diffusion encoding

, 2019
Purpose: Asymmetric gradient waveforms are attractive for diffusion encoding due to their superior efficiency, however, the asymmetry may cause a residual gradient moment at the end of the encoding. Depending on the experiment setup, this residual moment
Nilsson, Markus, Szczepankiewicz, Filip, Westin, Carl-Fredrik   +2 more
core   +1 more source